[smokeping-users] Re: Use of unitialized value in concatenation (.) or string

Niko Tyni ntyni+smokeping-users at mappi.helsinki.fi
Mon Apr 24 15:02:35 MEST 2006

On Sat, Apr 22, 2006 at 08:16:15AM -0500, Troy wrote:
> I've been running smokeping for a number of years and haven't had any
> problems.  I'm not sure what triggered this latest problem because I just
> started to notice the following line in my logs when I go to my site. The
> site is still working fine but every time I go to any page it puts this
> line in my logs.
> smokeping.cgi [client x.x.x.x]: Use of uninitialized value in
> concatenation (.) or string at (eval 23) line 7.
> I looked at the line 7 and it states:
> use Smokeping 2.000008;
> On line 23 of the smokeping.cgi it's just part of the the head1
> description.  Can anyone give me an idea of where to start to track down
> this problem?


the message means the problem is inside the 23rd 'eval' block encountered.
Unfortunately that doesn't tell us much.

Does it show under 'smokeping --debug' too?

Could you please send me your config file, so I can try to reproduce it?

If you want to debug it yourself, I suppose the only way is to add 
some warn() calls or the like into Smokeping.pm and try to pinpoint
the place where the error is coming from.


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